e) At least four years of aggregate experience on roadway reconstruction and resurfacing, bridge construction and rehabilitation, water and sewer lines, RCP or RCB storm drains, dam and reservoir modifications, pump stations, booster pump stations, traffic signal upgrade, installation or synchronization, airport improvement, and utility service projects. b) Perform construction inspection, oversight and enforcement of contract/permit documents for construction of various road, bridge, sewer, water, utility service, traffic signal, flood control, and airport improvement projects being constructed by contractors under a contract or a permit issued by the Department.